8720404

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1231}}^1$

素因数の和:1276

約数の個数: 48

約数和(自身を含む): 19869696

約数和(自身を除く): 11149292

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1231, 1771, 2462, 3542, 4924, 7084, 8617, 13541, 17234, 27082, 28313, 34468, 54164, 56626, 94787, 113252, 189574, 198191, 311443, 379148, 396382, 622886, 792764, 1245772, 2180101, 4360202, 8720404]

約数ペア:

[(1, 8720404), (2, 4360202), (4, 2180101), (7, 1245772), (11, 792764), (14, 622886), (22, 396382), (23, 379148), (28, 311443), (44, 198191), (46, 189574), (77, 113252), (92, 94787), (154, 56626), (161, 54164), (253, 34468), (308, 28313), (322, 27082), (506, 17234), (644, 13541), (1012, 8617), (1231, 7084), (1771, 4924), (2462, 3542)]